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1 principal = 1000 #本金 2 rate = 0.05 #利率 3 numyears = 5 #期数 4 year = 1 #初始化值 5 while year <= numyears: 6 principal = principal*(1+rate) 7 print year, principal 8 year += 1
输出结果为：
1 1050.0
2 1102.5
3 1157.625
4 1215.50625
5 1276.2815625
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原文地址：http://www.cnblogs.com/Alex-LiN/p/4224752.html
